Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 3L/4 L/2 L/3 2L/3 3L/4 L/2 L/3 2L/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 20 kg, – ve sense 20 kg, + ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, – ve sense 20 kg, + ve sense 10 kg, + ve sense 10 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction The friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move Ratio of limiting friction and normal reaction The friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in non-equilibrium partial equilibrium unpredictable full equilibrium non-equilibrium partial equilibrium unpredictable full equilibrium ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is less than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to force of attraction experienced by par-ticles gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. centripetal force of earth force of attraction experienced by par-ticles gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. centripetal force of earth ANSWER DOWNLOAD EXAMIANS APP